Description
The AddOn Juniper Networks® QDD-400G-PDAC-3M compatible direct attach cable delivers reliable 400GBase-CU connectivity over a passive copper twinax medium. Designed for high-performance networking, this QSFP-DD to QSFP-DD cable supports a maximum reach of 3 meters, making it ideal for short-distance, high-speed interconnects within racks and across adjacent racks.
Each unit is programmed, uniquely serialized, and tested for data traffic and application compliance, ensuring seamless interoperability with Juniper Networks® hardware. Built to comply with MSA standards and TAA regulations, this cable provides dependable, cost-effective connectivity backed by AddOn’s limited lifetime warranty.
| Category | Details |
|---|---|
| Manufacturer | AddOn |
| Manufacturer Part Number | QDD-400G-PDAC-3M-AO |
| Form Type | QSFP-DD to QSFP-DD |
| Transceiver Type | CU (Direct Attach Copper) |
| Media | Passive Copper Twinax |
| Speed | 400GBase |
| Speed Description | 400-Gigabit |
| Length | 3m (9.8 ft) |
| Active or Passive | Passive |
| Compatible OEM | Juniper Networks® |
| TAA Compliant | Yes |
| Compliance Standard | MSA (Multi-Source Agreement) |
| Warranty | Limited Lifetime Warranty |
| Shipping Weight | 0.4 lb |
| Shipping Dimensions | 1.5 in. x 9 in. x 12 in. |
| Country of Origin | USA/UK |
| ECCN | 5A991 |
| HTS Code (US) | 8517.62.0090 |
| HTS Code (UK) | 85176200 |
| UNSPSC Code | 26121609 |
| UPC Code | 195285106377 |
| What's in the Box | 1x Direct Attach Cable |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
